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Responses of terrestrial nitrogen pools and dynamics to different patterns of freeze-thaw cycle: A meta-analysis
Gao, Decai1,2; Zhang, Lei1,2; Liu, Jun1,3; Peng, Bo1,2; Fan, Zhenzhen1,2; Dai, Weiwei1; Jiang, Ping1; Bai, Edith1,4
Corresponding AuthorBai, Edith(baie@iae.ac.cn)
2018-06-01
Source PublicationGLOBAL CHANGE BIOLOGY
ISSN1354-1013
Volume24Issue:6Pages:2377-2389
AbstractAltered freeze-thaw cycle (FTC) patterns due to global climate change may affect nitrogen (N) cycling in terrestrial ecosystems. However, the general responses of soil N pools and fluxes to different FTC patterns are still poorly understood. Here, we compiled data of 1519 observations from 63 studies and conducted a meta-analysis of the responses of 17 variables involved in terrestrial N pools and fluxes to FTC. Results showed that under FTC treatment, soil NH4+, NO3-, NO3- leaching, and N2O emission significantly increased by 18.5%, 18.3%, 66.9%, and 144.9%, respectively; and soil total N (TN) and microbial biomass N (MBN) significantly decreased by 26.2% and 4.7%, respectively; while net N mineralization or nitrification rates did not change. Temperate and cropland ecosystems with relatively high soil nutrient contents were more responsive to FTC than alpine and arctic tundra ecosystems with rapid microbial acclimation. Therefore, altered FTC patterns (such as increased duration of FTC, temperature of freeze, amplitude of freeze, and frequency of FTC) due to global climate warming would enhance the release of inorganic N and the losses of N via leaching and N2O emissions. Results of this meta-analysis help better understand the responses of N cycling to FTC and the relationships between FTC patterns and N pools and N fluxes.
Keyworddenitrification freeze-thaw cycle microbial biomass mineralization N fluxes N2O nitrification
Funding OrganizationKey Research Program of Froniter Sciences, CAS ; National Basic Research Program of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of CAS
DOI10.1111/gcb.14010
Indexed BySCI
Language英语
Funding ProjectKey Research Program of Froniter Sciences, CAS[QYZDB-SSW-DQC006] ; National Basic Research Program of China[2014CB954400] ; National Natural Science Foundation of China[31522010] ; Strategic Priority Research Program of CAS[XDB15010301]
WOS Research AreaBiodiversity & Conservation ; Environmental Sciences & Ecology
WOS SubjectBiodiversity Conservation ; Ecology ; Environmental Sciences
WOS IDWOS:000433717700014
PublisherWILEY
Citation statistics
Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/128617
Collection中国科学院金属研究所
Corresponding AuthorBai, Edith
Affiliation1.Inst Appl Ecol, CAS Key Lab Forest Ecol & Management, Shenyang, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing, Peoples R China
3.Fujian Agr & Forestry Univ, Coll Forestry, Forest Ecol Stable Isotope Res Ctr, Fuzhou, Fujian, Peoples R China
4.Northeast Normal Univ, Sch Geog Sci, Changchun, Jilin, Peoples R China
Recommended Citation
GB/T 7714
Gao, Decai,Zhang, Lei,Liu, Jun,et al. Responses of terrestrial nitrogen pools and dynamics to different patterns of freeze-thaw cycle: A meta-analysis[J]. GLOBAL CHANGE BIOLOGY,2018,24(6):2377-2389.
APA Gao, Decai.,Zhang, Lei.,Liu, Jun.,Peng, Bo.,Fan, Zhenzhen.,...&Bai, Edith.(2018).Responses of terrestrial nitrogen pools and dynamics to different patterns of freeze-thaw cycle: A meta-analysis.GLOBAL CHANGE BIOLOGY,24(6),2377-2389.
MLA Gao, Decai,et al."Responses of terrestrial nitrogen pools and dynamics to different patterns of freeze-thaw cycle: A meta-analysis".GLOBAL CHANGE BIOLOGY 24.6(2018):2377-2389.
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